National Museum of Nuclear Science & History
H. M. Nappen worked for the Tennessee Eastman Corporation at the Y-12 Plant.
Lomie F. Caho was a security guard at the University of Chicago’s Metallurgical Laboratory (“Met Lab”) during the Manhattan Project.
John H. Keyser served in the 393rd Bombardment Squadron.
Edward W. “Ed” Bailey worked as a chemical engineer at the K-25 plant at Oak Ridge during the Manhattan Project.